It is Renketsu-Kun that loves to connect.
Connect one after another so that you try not to fall them from a scaffold.
The operation is easy. it only pulls and shoots .
It establishes "Just!" when you connected them at a scaffolding limit.
When you get "just!" at every stages of each levels, you can get Renketsu-kun's collections!
You can play with the collections you collected.
You can watch extra animations.